public class Example32shuzu {
    public static void main(String[] args) {
        int [] arr = {9,8,3,5,2};
        System.out.print("冒泡排序前 ： ");
        printArray (arr);
        bubbleSort (arr);
        System.out.print("冒泡排序后 : ");
        printArray (arr);
    }
    public static void printArray(int [] arr){
        for (int i = 0; i < arr.length ; i++) {
            System.out.print(arr[i] + "");
        }
        System.out.print("\n");
    }
    public static void bubbleSort(int[] arr){
        for (int i = 0; i < arr.length - 1; i++) {
            for (int j = 0; j < arr.length - i - 1; j++) {
                if (arr[j] > arr[j + 1]){
                    int temp = arr[j];
                    arr[j] = arr[j + 1];
                    arr[j + 1]= temp;
                }
            }
            System.out.print("第" + (i + 1) + "轮排后序: ");
            printArray(arr);
        }
    }
}
